6x NGK SILZKGR8B8S 94201 Laser Iridium Spark Plugs For BMW M140 3.0 04/16-->
Compared to standard spark plugs, NGK Laser Iridium® provides a superior fuel burn with a longer service life. NGK Laser Iridium Spark Plugs Set of 6 for BMW F20/F21 M140i. LASER IRIDIUM. Laser welded Iridium centre electrode tip.